1/* $NetBSD: acpi_mcfg.h,v 1.2 2018/10/15 10:01:32 jmcneill Exp $ */
2
3/*-
4 * Copyright (C) 2015 NONAKA Kimihiro <nonaka@NetBSD.org>
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
21 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 */
27
28#ifndef _SYS_DEV_ACPI_ACPI_MCFG_H
29#define _SYS_DEV_ACPI_ACPI_MCFG_H
30
31struct acpimcfg_ops;
32void acpimcfg_probe(struct acpi_softc *);
33int acpimcfg_init(bus_space_tag_t, const struct acpimcfg_ops *);
34int acpimcfg_map_bus(device_t, pci_chipset_tag_t, int);
35int acpimcfg_configure_bus(device_t, pci_chipset_tag_t, ACPI_HANDLE, int, int);
36
37int acpimcfg_conf_read(pci_chipset_tag_t, pcitag_t, int, pcireg_t *);
38int acpimcfg_conf_write(pci_chipset_tag_t, pcitag_t, int, pcireg_t);
39
40struct acpimcfg_ops {
41 /* validate MCFG memory region */
42 bool (*ao_validate)(uint64_t, int, int *);
43
44 /* override default bus_space(9) function */
45 uint32_t (*ao_read)(bus_space_tag_t, bus_space_handle_t,
46 bus_addr_t);
47 void (*ao_write)(bus_space_tag_t, bus_space_handle_t,
48 bus_addr_t, uint32_t);
49};
50
51#define ACPIMCFG_SIZE_PER_BUS (PCI_EXTCONF_SIZE * 32/*dev*/ * 8/*func*/)
52
53bool acpimcfg_default_validate(uint64_t, int, int *);
54uint32_t acpimcfg_default_read(bus_space_tag_t, bus_space_handle_t,
55 bus_addr_t);
56void acpimcfg_default_write(bus_space_tag_t, bus_space_handle_t,
57 bus_addr_t, uint32_t);
58
59#endif /* _SYS_DEV_ACPI_ACPI_PCI_H */
60